Klean-Strip Wood bleach is designed to remove the natural color from bare wood. The bleaching process minimizes the color variations in like woods, so that a more uniform appearance can be achieved when staining and finishing wood. Wood Bleach is not intended to remove pigmented stains or dyes. It will lighten or remove some stains, but not entirely. Using Wood Bleach can lighten weathered wood and wood that has turned gray from being outdoors. Keep in mind, Wood Bleach is not a wood cleaner and will not restore the original wood color.